Translation of "Believer" in Spanish

Are you a believer?

- ¿Eres creyente?
- ¿Eres un creyente?

Tom is a believer.

Tom es creyente.

- Tom is a believer.
- Tom is a religious man.

Tom es creyente.

- Do you believe in God?
- Are you a believer?

- ¿Creen ustedes en Dios?
- ¿Cree usted en Dios?
- ¿Creéis en Dios?

You don't have to study theology to be a believer.

No se necesita estudiar teología para ser creyente.

You can't convince a believer of anything; for their belief is not based on evidence, it's based on a deep-seated need to believe.

No puedes convencer a un creyente de nada; porque su creencia no se basa en pruebas, sino en una profunda necesidad de creer.